Here’s how 2020 Mercedes-Benz GLB and 2026 Audi Q3 III Sportback compare in size: 2020 Mercedes-Benz GLB is longer than 2026 Audi Q3 III Sportback, offering more overall body length. 2026 Audi Q3 III Sportback is wider than 2020 Mercedes-Benz GLB, giving it a broader stance. 2020 Mercedes-Benz GLB is taller than 2026 Audi Q3 III Sportback, which could improve headroom or visibility.
Length
4634 mm182.4 in
4531 mm178.4 in
Width
1834 mm72.2 in
1859 mm73.2 in
Height
1658 mm65.3 in
1559 mm61.4 in
4634 mm182.4 in🟢 +103 mm+4.1 in (+2.3%)
4531 mm178.4 in🔴 -103 mm-4.1 in (-2.2%)
1834 mm72.2 in🔴 -25 mm-1.0 in (-1.3%)
1859 mm73.2 in🟢 +25 mm+1.0 in (+1.4%)
1658 mm65.3 in🟢 +99 mm+3.9 in (+6.4%)
1559 mm61.4 in🔴 -99 mm-3.9 in (-6.0%)
2020 Mercedes-Benz GLB
2026 Audi Q3 III Sportback
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
SUV
Coupe, SUV
Model Year:
2020
2026
Production:
2019-2023 Discontinued Model
n/a
Dimensions
Length:
4634 mm182.4 in 🟢 +103 mm+4.1 in (+2.3%)
4531 mm178.4 in 🔴 -103 mm-4.1 in (-2.2%)
Width:
1834 mm72.2 in 🔴 -25 mm-1.0 in (-1.3%)
1859 mm73.2 in 🟢 +25 mm+1.0 in (+1.4%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2020 mm79.5 in 🔴 -67 mm-2.6 in (-3.2%)
2087 mm82.2 in 🟢 +67 mm+2.6 in (+3.3%)
Height:
1658 mm65.3 in 🟢 +99 mm+3.9 in (+6.4%)
1559 mm61.4 in 🔴 -99 mm-3.9 in (-6.0%)
Ground Clearance:
135 mm5.3 in
-
Trunk Capacity:
565-570 liter20.0-20.1 cu ft 🟢 +77 liter+2.7 cu ft (+15.8%) - 🟢 +195 liter+6.9 cu ft (+52.0%)
375-488 liter13.2-17.2 cu ft 🔴 -195 liter-6.9 cu ft (-34.2%) - 🔴 -77 liter-2.7 cu ft (-13.6%)
Trunk Capacity (Max):
1800-1805 liter63.6-63.7 cu ft 🟢 +511 liter+18.0 cu ft (+39.6%) - 🟢 +609 liter+21.5 cu ft (+50.9%)
1196-1289 liter42.2-45.5 cu ft 🔴 -609 liter-21.5 cu ft (-33.7%) - 🔴 -511 liter-18.0 cu ft (-28.4%)
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